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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yen, Hong-Wei Liu, Yi Xian |
| Description | Author Affiliation: Yen HW ( Department of Chemical and Materials Engineering, Tunghai University, 181 Taiwan Harbor 3rd Rd., Taichung 407, Taiwan. Electronic address: hwyen@thu.edu.tw.); Liu YX ( Department of Chemical and Materials Engineering, Tunghai University, 181 Taiwan Harbor 3rd Rd., Taichung 407, Taiwan.) |
| Abstract | The high cost of microbial oils produced from oleaginous microorganisms is the major obstacle to commercial production. In this study, the operation of an airlift bioreactor is examined for the cultivation of oleaginous yeast-Rhodotorula glutinis, due to the low process cost. The results suggest that the use of a high aeration rate could enhance cell growth. The maximum biomass concentration of 25.40 g/L was observed in the batch with a 2.0 vvm aeration rate. In addition, a higher aeration rate of 2.5 vvm could achieve the maximum growth rate of 0.46 g/L h, about twice the 0.22 g/L h obtained in an agitation tank. However, an increase in tank pressure instead of the aeration rate did not enhance cell growth. The operation of airlift bioreactor described in this work has the advantages of simple operation and low energy consumption, thus making it suitable for the accumulation of microbial oils. |
| File Format | HTM / HTML |
| ISSN | 13891723 |
| Issue Number | 2 |
| Journal | Journal of Bioscience and Bioengineering |
| Volume Number | 118 |
| e-ISSN | 13474421 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-08-01 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biomedical Engineering Discipline Microbiology Oils Metabolism Rhodotorula Bioreactors Culture Techniques Fermentation Growth & Development Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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